Home / 248,321.85-342,685.67-135,145.77

Finding the Fourth Proportional to 248,321.85, 342,685.67 and 135,145.77

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Solution

The fourth proportional to 248,321.85, 342,685.67 and 135,145.77 is: 186,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,321.85 : 342,685.67 = 135,145.77 : x
  2. Step 2: Convert to fraction form
    248,321.85/342,685.67 = 135,145.77/x
  3. Step 3: Cross multiply
    248,321.85x = 342,685.67 × 135,145.77
  4. Step 4: Simplify right side
    248,321.85x = 46,312,518,740.12
  5. Step 5: Solve for x
    x = 46,312,518,740.12/248,321.85
  6. Step 6: Final answer
    x = 186,501.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.